.page-news {
  --news-rail: 264px;
  --news-block-gap: clamp(52px, 8vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--neon);
}

.page-news .breadcrumb a[aria-current="page"] {
  color: var(--paper);
}

.page-news .crumb-sep {
  color: var(--moss);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding-top: clamp(24px, 4vw, 46px);
  padding-bottom: 0;
}

.page-news .masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 52px);
  align-items: start;
}

.page-news .title-row {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 22px);
  margin-top: 14px;
}

.page-news .vertical-note {
  display: none;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .36em;
  color: var(--moss);
  padding-top: 8px;
}

.page-news .masthead-side h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 8.4vw, 84px);
  line-height: 1;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-news .masthead-lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 48ch;
  font-size: clamp(14.5px, 1.15vw, 16.5px);
  line-height: 1.9;
  color: var(--muted);
}

.page-news .masthead-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  gap: 0;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line-strong);
}

.page-news .masthead-stats li {
  padding: 16px 14px 0 0;
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(21px, 5vw, 34px);
  line-height: 1.08;
  color: var(--neon);
}

.page-news .stat-label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted-soft);
}

.page-news .headline-card {
  position: relative;
  padding: clamp(22px, 3.2vw, 36px);
  background: var(--panel);
  border: 2px solid var(--stone);
  border-top: 6px solid var(--neon);
  box-shadow: var(--shadow-hard);
}

.page-news .headline-card h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 40px);
  line-height: 1.08;
  color: var(--paper);
}

.page-news .headline-text {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .headline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 正文两栏 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  margin-top: clamp(48px, 7vw, 92px);
  padding-bottom: clamp(8px, 2vw, 20px);
}

.page-news .column-rail {
  min-width: 0;
  border-top: 3px solid var(--neon);
  padding-top: 18px;
}

.page-news .rail-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-news .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-news .rail-list li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .rail-link {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.22;
  color: var(--paper);
  text-decoration: none;
  padding: 2px 0 2px 10px;
  border-left: 3px solid var(--field);
  transition: color .15s ease, border-color .15s ease;
  overflow-wrap: anywhere;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
}

.page-news .rail-time {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--muted-soft);
}

.page-news .rail-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  background: rgba(47, 107, 79, .22);
  border-left: 3px solid var(--field);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .column-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-news .article-block {
  min-width: 0;
  scroll-margin-top: 112px;
}

.page-news .article-block + .article-block {
  margin-top: var(--news-block-gap);
  padding-top: clamp(30px, 4.5vw, 52px);
  border-top: 1px solid var(--line-strong);
}

.page-news .block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 24px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .block-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--neon);
  padding-top: 12px;
}

.page-news .block-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.02;
  color: var(--paper);
}

.page-news .block-lead {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 图片容器 ---------- */
.page-news .media-frame {
  overflow: hidden;
  border: 2px solid var(--stone);
  box-shadow: var(--shadow-soft);
}

.page-news .media-frame[data-ratio="16x9"] { aspect-ratio: 16 / 9; }
.page-news .media-frame[data-ratio="4x3"] { aspect-ratio: 4 / 3; }
.page-news .media-frame[data-ratio="3x4"] { aspect-ratio: 3 / 4; }
.page-news .media-frame[data-ratio="1x1"] { aspect-ratio: 1 / 1; }

.page-news .block-media {
  margin: 0 0 clamp(22px, 3.2vw, 34px);
}

.page-news .block-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 文章条目 ---------- */
.page-news .entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-news .entry {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.4vw, 28px);
  background: rgba(16, 52, 92, .5);
  border: 1px solid var(--line);
  border-left: 5px solid var(--field);
  transition: transform .18s ease, box-shadow .18s ease;
}

.page-news .entry:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-soft);
}

.page-news .entry[data-tone="clay"] { border-left-color: var(--clay); }
.page-news .entry[data-tone="moss"] { border-left-color: var(--moss); }
.page-news .entry[data-tone="neon"] { border-left-color: var(--neon); }

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
}

.page-news .entry-cat {
  background: var(--cream);
  color: var(--ink);
  padding: 3px 9px;
  letter-spacing: .12em;
}

.page-news .entry-time {
  color: var(--muted-soft);
}

.page-news .entry h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.22;
  color: var(--paper);
}

.page-news .entry p {
  margin: 0;
  max-width: 68ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .column-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  list-style: none;
}

/* ---------- 版本日志 ---------- */
.page-news .version-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-news .version-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .version-item.is-current {
  padding-left: clamp(14px, 2vw, 22px);
  padding-right: clamp(14px, 2vw, 22px);
  background: rgba(215, 255, 63, .06);
  border-left: 4px solid var(--neon);
}

.page-news .version-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 21px);
  letter-spacing: .04em;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-news .version-no--old {
  color: var(--muted-soft);
}

.page-news .version-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--moss);
}

.page-news .version-item h3 {
  margin: 8px 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.22;
  color: var(--paper);
}

.page-news .version-text {
  margin: 0;
  max-width: 66ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .version-note {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted-soft);
}

.page-news .block-more {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- 常见问题 ---------- */
.page-news .faq-list {
  display: grid;
  gap: 10px;
}

.page-news .faq-item {
  background: rgba(16, 52, 92, .45);
  border: 1px solid var(--line);
  border-left: 4px solid var(--field);
}

.page-news .faq-item[open] {
  border-left-color: var(--neon);
}

.page-news .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px clamp(16px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-news .faq-item summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -4px;
}

.page-news .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--neon);
}

.page-news .faq-item[open] summary::after {
  content: "–";
}

.page-news .faq-body {
  padding: 0 clamp(16px, 2.4vw, 24px) 18px;
  max-width: 68ch;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 结尾指引 ---------- */
.page-news .news-cta {
  margin-top: clamp(56px, 9vw, 110px);
}

.page-news .cta-panel {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(26px, 4vw, 52px);
  background: var(--field);
  border: 2px solid var(--stone);
  box-shadow: var(--shadow-hard);
}

.page-news .cta-panel h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.06;
  color: var(--paper);
}

.page-news .cta-panel p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 247, 242, .84);
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .vertical-note {
    display: block;
  }

  .page-news .version-item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 44px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .masthead-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .cta-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .column-rail {
    position: sticky;
    top: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .rail-link {
    transition: none;
  }

  .page-news .entry:hover {
    transform: none;
  }
}